7 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Dermal papillae are crucial for hair growth and maintenance.
7 citations
,
July 2011 in “Archives of Dermatology” Alopecia areata caused a boy's hair to regrow straight instead of curly, but the exact reason is unknown.
8 citations
,
March 2019 in “Progress in Human Geography” Hair significantly shapes body identity and social interactions, influencing how we perceive and relate to our bodies.
7 citations
,
October 2019 in “Frontiers in bioengineering and biotechnology” Fusion proteins can protect hair from heat damage.
28 citations
,
July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
9 citations
,
January 1980 in “Dermatology” Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.
32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
86 citations
,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
26 citations
,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.
16 citations
,
June 2015 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.
29 citations
,
January 2003 in “Genomics” A new mouse mutation causes skin and hair issues, influenced by another gene.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
1 citations
,
December 2022 in “Research Square (Research Square)” Certain health conditions and hair care habits affect the treatment results for a scalp condition called Central Centrifugal Cicatricial Alopecia.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
Perms can damage hair and scalp, so proper assessment and care are essential.
2 citations
,
September 2008 in “International Journal of Cosmetic Science” Brushing causes more long hair breaks than combing, especially with bleached or wet hair.
2 citations
,
March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
21 citations
,
June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
9 citations
,
April 2019 in “Journal of Structural Biology” Keratin fibers in hair twist left-handed.
September 2015 in “Research Portal (King's College London)” Human hair movement is affected by its inner structure and chemical treatments.
60 citations
,
April 2018 in “Clinical, cosmetic and investigational dermatology” Tight hairstyles and chemical relaxers can cause hair loss known as traction alopecia.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
October 2025 in “International Journal of Cosmetic Science” Shiny, straight hair is seen as more youthful, healthy, and attractive.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
1 citations
,
January 2022 in “Clinical Cases in Dermatology” A woman with CCCA has hair loss due to factors like straighteners and tight hairstyles, and treatments include steroids and avoiding certain hair products.
December 2021 in “2021 International Conference on Electronic Information Technology and Smart Agriculture (ICEITSA)” Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
10 citations
,
November 1997 in “British Journal of Dermatology” A 10-year-old boy had the earliest reported case of hair that became progressively kinkier but eventually returned to normal on its own.